The diagonals of the rectangle ABCD intersect at O. If ∠COD = 78°, then ∠DOA is
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The diagonals of the rectangle ABCD intersect at O. If ∠COD = 78°, then ∠DOA is
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Verified answer
Step-by-step explanation:
102
they are linear pair
Answer:
answer is 51°
Step-by-step explanation:
angle O+angle A+angle B= 180°
78+x+x=180°
78+2x=180°
2x=180-78
2x=102
x=102/2
x=51°